743485409538 has 8 divisors (see below), whose sum is σ = 1486970819088. Its totient is φ = 247828469844.

The previous prime is 743485409531. The next prime is 743485409543. The reversal of 743485409538 is 835904584347.

It is a sphenic number, since it is the product of 3 distinct primes.

743485409538 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (743485409531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61957117456 + ... + 61957117467.

It is an arithmetic number, because the mean of its divisors is an integer number (185871352386).

Almost surely, 2^743485409538 is an apocalyptic number.

743485409538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

743485409538 is a wasteful number, since it uses less digits than its factorization.

743485409538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123914234928.

The product of its (nonzero) digits is 58060800, while the sum is 60.

The spelling of 743485409538 in words is "seven hundred forty-three billion, four hundred eighty-five million, four hundred nine thousand, five hundred thirty-eight".